List four clues that suggest a chemical change is taking place, and provide an example for each.

Your body uses about 24 grams of Glucose to run cellular respiration. How many molecules does your body need for cellular respiration?

Which of the following is an example of a vertical merger?

What is the difference between unconfined aquifers and confined aquifers? A. Confined aquifers are saturated with water, but unconfined aquifers are not. B.

In comparison to the rock it intrudes, what is the relative age of a dike? always older than the rock it intrudes always younger than the rock it intrudes always older than the very top layer always older than the last layer it intrudes

Of the following, when can a compound be treated like an element when balancing chemical equations? A. When there is no change to the atoms in the compound. B. When the compound is made of anions. C. When the compound is made of cations. D.

How many molecules are in 4.50 moles of water

N aqueous solution of sodium hydroxide is standardized by titration with a 0.154 m solution of hydrochloric acid. if 17.5 ml of base are required to neutralize 17.6 ml of the acid, what is the molarity of the sodium hydroxide solution?

Consider the positions of barium (Ba), sulfur (S), silicon (Si), and calcium (Ca) on the periodic table. The atoms of which element require the least amount of energy to give up an electron when forming chemical bonds?

what is way to find the numbers of liters in 8 kilometers? (A.) Add 5,000 and 3, because you are adding 3 kiloliters to 5,000 liters. (B.) Multiply 8 by 3,000, because each kiloliter has 3,000 liters. (C.

How much energy must be added to 2 mol H2O (g) to cause it to decompose into H2 and 02? KJ